package Course3;

public class Math {
    public static void main(String[] args) {
         int a = 10;
         int b = 20;
         int c = 25;
         int d = 25;
         System.out.println("a+b="+(a+b));
        System.out.println("a++="+(a++));
        System.out.println(a);
        System.out.println("++a="+(++a));

    }
}
